Posts filed under paper. See everything.
IEEE Photonics Technology Letters, first-authored by Guanxiong Zhang: liquid crystal cells and polarization gratings steer an optical link at both ends with no moving parts, carrying 50 Mbit/s over 1 m.
Optics Letters, first-authored by Feng Liu: a cooled SiPM receives a 275 nm UV link at 1 Mbit/s from just 30 pW, about 41.5 photons per bit.
MDPI Sensors: using SimSPAD to project what SiPM receivers could reach, from single devices to arrays and stacked SPADs.
MDPI Photonics: SimSPAD, my Monte Carlo SiPM simulator, validated against experiments on ambient light and used to explain where SiPM non-linearity comes from.
PRIME 2022: the anode readout resistor worsens a SiPM's non-linearity, and removing it improves ambient-light performance by a factor of 1.9.
IEEE Photonics Conference 2021: a simple way to load OFDM sub-carriers despite a SiPM's non-linear response, reaching 453 Mbps below the FEC limit.
IEEE Access, first-authored by Wajahat Ali: a ±45° field-of-view SiPM receiver with absorption filters reaches 1.8 Gbps OOK in 500 lux, with eye-safety calculations for the 405 nm transmitter.
IEEE Photonics Technology Letters, first-authored by Wajahat Ali: how the length of a fluorescent fiber concentrator trades collected signal against bandwidth, tested at 16 cm, 30 cm and 1 m.
2nd Optical Wireless Communications Conference, first-authored by Wajahat Ali: 28 fluorescent fibers on one SiPM make a wide field-of-view receiver that tolerates ambient light.
IEEE Photonics Technology Letters follow-up to the 3.45 Gbps conference paper, adding a bias-current model that predicts SiPM saturation and power consumption.
IEEE Photonics Technology Letters: removing the optical filter from a wide field-of-view SiPM receiver reveals a new form of inter-symbol interference caused by saturation.
IEEE Globecom 2020 workshop paper, first-authored by Wajahat Ali: a SiPM with a low-power 405 nm transmitter supports 1 Gbps indoors and is 9 dB more sensitive than an APD-based receiver.
IEEE Photonics Conference 2020: a J-30020 SiPM receiver reaches 3.45 Gbps OOK at a BER of 10⁻³, up from the previous SiPM record of 2.4 Gbps.
